*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0D1117;--surface:#161B22;--surface2:#1C2333;--border:#30363D;--border2:#3D444D;--fg:#E6EDF3;--muted:#8B949E;--faint:#484F58;--accent:#58A6FF;--accent-dim:#1F6FEB;--success:#3FB950;--warning:#D29922;--danger:#F85149;--radius:8px;--radius-lg:12px;--font-sans:"Inter","Segoe UI",system-ui,-apple-system,sans-serif;--font-mono:"JetBrains Mono","Fira Code","SF Mono",monospace;--font-disp:"Inter",system-ui,sans-serif}body,html{height:100%}body{background:var(--bg);color:var(--fg);font-family:var(--font-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}input,select,textarea{font-family:inherit;font-size:inherit;background:var(--surface);color:var(--fg);border:1.5px solid var(--border);border-radius:var(--radius);padding:10px 13px;width:100%;outline:none;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--accent)}input::placeholder,textarea::placeholder{color:var(--faint)}textarea{resize:vertical;min-height:80px}button{font-family:inherit;cursor:pointer;border:none;border-radius:var(--radius);transition:opacity .15s,background .15s}button:disabled{opacity:.5;cursor:not-allowed}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}